Susannah Grant (Erin Brockovich) wrote the screenplay based on a 2005 series of articles by Los Angeles Times columnist Steve Lopez, played in the film by Downey Jr. Lopez’s articles centered on Nathaniel Ayers (Foxx), a homeless and schizophrenic musician who dreams of playing at Los Angeles’ Disney Hall.

Harris will play Lopez’s co-worker.

Production is set to begin next month with Gary Foster and Russ Krasnoff producing. Tim Bevan is executive producing.